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Guides, tips and news about saving your data from Telegram, WhatsApp and LinkedIn.

TikTok Engagement Rate: the Exact Formula (+ Free Calculator)

Sep 4, 2026
Avoid Telegram's 4GB Cap: Pick the Export Method That Fits Your Goal

Avoid Telegram's 4GB Cap: Pick the Export Method That Fits Your Goal

Sep 4, 2026
Fix Telegram Web Exports for Growth Teams in 10 Minutes, No Uploads

Fix Telegram Web Exports for Growth Teams in 10 Minutes, No Uploads

Sep 3, 2026

How to Export Instagram Followers to CSV (2026)

Sep 2, 2026
Local Exports: Four Ways to Move LinkedIn Data into Google Sheets

Local Exports: Four Ways to Move LinkedIn Data into Google Sheets

Sep 2, 2026
Open Semicolon CSVs in Excel With sep=; or Power Query

Open Semicolon CSVs in Excel With sep=; or Power Query

Sep 1, 2026
Account First Sales Navigator for Sales Teams: Local CRM Exports

Account First Sales Navigator for Sales Teams: Local CRM Exports

Aug 31, 2026
No API WhatsApp Chat Analysis in Python: Parser First, Privacy First

No API WhatsApp Chat Analysis in Python: Parser First, Privacy First

Aug 31, 2026
No API Keys: Privacy First Telegram to Google Sheets for Growth Teams

No API Keys: Privacy First Telegram to Google Sheets for Growth Teams

Aug 29, 2026
Growth Teams: Export via WhatsApp Read Only Mode to CSV or JSONL

Growth Teams: Export via WhatsApp Read Only Mode to CSV or JSONL

Aug 28, 2026
6 Ways In Browser Exporters Cut LinkedIn Scraping Detection Risk

6 Ways In Browser Exporters Cut LinkedIn Scraping Detection Risk

Aug 27, 2026
Client-Side Scraping: How to Extract Data in the Browser

Client-Side Scraping: How to Extract Data in the Browser

Aug 25, 2026

Best WhatsApp Media Downloader Extensions (2026): 5 Compared

Aug 25, 2026
WhatsApp Chat Analysis Methods That Reveal Real Patterns

WhatsApp Chat Analysis Methods That Reveal Real Patterns

Aug 24, 2026
Telegram Group Analysis: Metrics, Tools, and a Fast Workflow

Telegram Group Analysis: Metrics, Tools, and a Fast Workflow

Aug 23, 2026
Is It Safe to Use Chrome Extensions in 2026?

Is It Safe to Use Chrome Extensions in 2026?

Aug 22, 2026
What Local Data Processing Means and When to Use It

What Local Data Processing Means and When to Use It

Aug 21, 2026
WhatsApp Web Privacy for Bulk Exports: A Practical Guide

WhatsApp Web Privacy for Bulk Exports: A Practical Guide

Aug 20, 2026
LinkedIn Export Formats: Choosing CSV, XLSX, JSON, or JSONL

LinkedIn Export Formats: Choosing CSV, XLSX, JSON, or JSONL

Aug 20, 2026
How to Export LinkedIn Companies: Data, Tools, and Steps

How to Export LinkedIn Companies: Data, Tools, and Steps

Aug 18, 2026
How to Merge Chat Exports from ChatGPT, Telegram, and WhatsApp

How to Merge Chat Exports from ChatGPT, Telegram, and WhatsApp

Aug 17, 2026
Recruiter Sourcing on Telegram: A Practical Playbook

Recruiter Sourcing on Telegram: A Practical Playbook

Aug 17, 2026
Telegram API ID Setup: A Developer's Quick-Start Guide

Telegram API ID Setup: A Developer's Quick-Start Guide

Aug 15, 2026
Telegram Group Lead Gen: A Practitioner's Playbook

Telegram Group Lead Gen: A Practitioner's Playbook

Aug 14, 2026
How to Export Recent Telegram Contacts to CSV or VCF

How to Export Recent Telegram Contacts to CSV or VCF

Aug 13, 2026
How to Avoid WhatsApp Bans When Exporting Data

How to Avoid WhatsApp Bans When Exporting Data

Aug 12, 2026
How to Export LinkedIn Posts Data: Methods, Schemas, and Safe Steps

How to Export LinkedIn Posts Data: Methods, Schemas, and Safe Steps

Aug 11, 2026
Local Telegram Data Export for Growth Teams

Local Telegram Data Export for Growth Teams

Aug 10, 2026
WhatsApp Prospecting for Sales Teams: 2026 Playbook

WhatsApp Prospecting for Sales Teams: 2026 Playbook

Aug 9, 2026
Telegram Web Export Guide for Growth Teams

Telegram Web Export Guide for Growth Teams

Aug 8, 2026
The JSONL Format: A Practical Guide for Developers

The JSONL Format: A Practical Guide for Developers

Aug 7, 2026
How to Export LinkedIn to CRM: Three Practical Methods

How to Export LinkedIn to CRM: Three Practical Methods

Aug 6, 2026
LinkedIn Scraping Policy: What Businesses Must Know

LinkedIn Scraping Policy: What Businesses Must Know

Aug 6, 2026
Best LinkedIn Scraper for Recruiters & Sales: 2026 Tested

Best LinkedIn Scraper for Recruiters & Sales: 2026 Tested

Aug 5, 2026
Best Dux-Soup Alternatives for Privacy-First LinkedIn Exports

Best Dux-Soup Alternatives for Privacy-First LinkedIn Exports

Aug 4, 2026
How to Export LinkedIn Leads: Safe, CRM-Ready Methods

How to Export LinkedIn Leads: Safe, CRM-Ready Methods

Aug 4, 2026
How to Export Sales Navigator Leads: Fast, Compliant

How to Export Sales Navigator Leads: Fast, Compliant

Aug 3, 2026
The Best TeleSender Alternative for Growth Teams in 2026

The Best TeleSender Alternative for Growth Teams in 2026

Aug 2, 2026
Best WhatsApp Chrome Extensions for CRM Exports (2026)

Best WhatsApp Chrome Extensions for CRM Exports (2026)

Aug 1, 2026
JSONL vs JSON: Which to Use for APIs, Logs, and ML

JSONL vs JSON: Which to Use for APIs, Logs, and ML

Jul 31, 2026
What Is Data Extraction? From Unstructured Sources to Structured Data

What Is Data Extraction? From Unstructured Sources to Structured Data

Jul 31, 2026
What Is Data as a Service? Definition, Examples and Machine-Readable Data

What Is Data as a Service? Definition, Examples and Machine-Readable Data

Jul 31, 2026
How Telegram Desktop Chat Export Works: HTML, JSON, Media and Restore Limitations

How Telegram Desktop Chat Export Works: HTML, JSON, Media and Restore Limitations

Jul 31, 2026
Data Scraping vs Web Scraping: Definitions, Methods and Differences

Data Scraping vs Web Scraping: Definitions, Methods and Differences

Jul 31, 2026
Browser-Based Web Data Extraction: How Web Pages Become CSV and JSON

Browser-Based Web Data Extraction: How Web Pages Become CSV and JSON

Jul 31, 2026
WA Web Plus Alternatives for Professional Data Exports

WA Web Plus Alternatives for Professional Data Exports

Jul 30, 2026
Telegram API Hash: What It Is, and Why Browser Exports Don't Need One

Telegram API Hash: What It Is, and Why Browser Exports Don't Need One

Jul 29, 2026
How to Export Unsaved Contacts From WhatsApp

How to Export Unsaved Contacts From WhatsApp

Jul 28, 2026
Lead Generation from Messaging Apps: 2026 Playbook

Lead Generation from Messaging Apps: 2026 Playbook

Jul 27, 2026
Privacy-First Chat Data Extraction: A Practical Guide

Privacy-First Chat Data Extraction: A Practical Guide

Jul 26, 2026
WhatsApp Group Exporter Extension: Privacy-First Guide

WhatsApp Group Exporter Extension: Privacy-First Guide

Jul 25, 2026
Best Data Extraction Programs for Telegram and WhatsApp

Best Data Extraction Programs for Telegram and WhatsApp

Jul 24, 2026
Best Tool for Data Extraction from Messaging Apps

Best Tool for Data Extraction from Messaging Apps

Jul 23, 2026
How to Export WhatsApp Business Contacts to Excel

How to Export WhatsApp Business Contacts to Excel

Jul 22, 2026
Export WhatsApp Group Contacts: 2026 Complete Guide

Export WhatsApp Group Contacts: 2026 Complete Guide

Jul 21, 2026
How to Export Contacts for WhatsApp: Methods and Tools

How to Export Contacts for WhatsApp: Methods and Tools

Jul 20, 2026
WhatsApp Scraper Chrome Extension: 2026 Guide

WhatsApp Scraper Chrome Extension: 2026 Guide

Jul 19, 2026
Best WhatsApp Marketing Tool for US Businesses in 2026

Best WhatsApp Marketing Tool for US Businesses in 2026

Jul 18, 2026
Chat Exporter for Recruiters: Tools and Methods in 2026

Chat Exporter for Recruiters: Tools and Methods in 2026

Jul 18, 2026
Telegram for B2B Outbound: Your 2026 Playbook

Telegram for B2B Outbound: Your 2026 Playbook

Jul 17, 2026
Top 5 Chat Exporter for Teams Alternatives 2026

Top 5 Chat Exporter for Teams Alternatives 2026

Jul 17, 2026
Is Telegram Scraping Legal? Your 2026 Compliance Guide

Is Telegram Scraping Legal? Your 2026 Compliance Guide

Jul 16, 2026
4 Best WhatsApp Chat Exporter Chrome Extensions (2026)

4 Best WhatsApp Chat Exporter Chrome Extensions (2026)

Jul 15, 2026
GDPR Compliant Chat Data Export: 2026 Guide

GDPR Compliant Chat Data Export: 2026 Guide

Jul 13, 2026
Top 6 Chat Export Tool Alternatives 2026

Top 6 Chat Export Tool Alternatives 2026

Jul 12, 2026
Lead Generation from WhatsApp: Your 2026 Playbook

Lead Generation from WhatsApp: Your 2026 Playbook

Jul 11, 2026
Telegram Data Analytics: Tools and Techniques for 2026

Telegram Data Analytics: Tools and Techniques for 2026

Jul 10, 2026
Telegram Data Export Request: Your Complete 2026 Guide

Telegram Data Export Request: Your Complete 2026 Guide

Jul 8, 2026
Telegram Limitation: What Every User Needs to Know

Telegram Limitation: What Every User Needs to Know

Jul 8, 2026
How to Export WhatsApp Messages to CSV

How to Export WhatsApp Messages to CSV

Jul 7, 2026
Telegram Communities: Top 10 Types for 2026

Telegram Communities: Top 10 Types for 2026

Jul 7, 2026
How to Export WhatsApp Group Members List in 2026

How to Export WhatsApp Group Members List in 2026

Jul 6, 2026
Top 5 Telegram Marketing Tool Alternatives 2026

Top 5 Telegram Marketing Tool Alternatives 2026

Jul 6, 2026
Community Management Tools: Top 10 for 2026

Community Management Tools: Top 10 for 2026

Jul 5, 2026
Telegram Auto-Download Media: Settings, Storage, and Common Problems

Telegram Auto-Download Media: Settings, Storage, and Common Problems

Jun 12, 2026
How to Download Media from a Private Telegram Channel or Group

How to Download Media from a Private Telegram Channel or Group

Jun 9, 2026
How to Download All Media from a Telegram Group, Channel, or Chat

How to Download All Media from a Telegram Group, Channel, or Chat

Jun 6, 2026
5 Hidden Features in Telegram Web Most Users Miss

5 Hidden Features in Telegram Web Most Users Miss

Jun 3, 2026
Why I Built Mastros: The Frustration With Telegram's Native Tools

Why I Built Mastros: The Frustration With Telegram's Native Tools

May 31, 2026
How to Archive Telegram Messages for Compliance: A Practical Guide

How to Archive Telegram Messages for Compliance: A Practical Guide

May 28, 2026
Telegram API vs Browser Extension: Which Should You Use for Data Export?

Telegram API vs Browser Extension: Which Should You Use for Data Export?

May 25, 2026
Best Alternatives to Telegram Desktop's Native Export (2026)

Best Alternatives to Telegram Desktop's Native Export (2026)

May 25, 2026
Telegram vs Discord: Which Is Easier for Community Data Export?

Telegram vs Discord: Which Is Easier for Community Data Export?

May 22, 2026
Best Tools for Telegram Community Managers in 2026

Best Tools for Telegram Community Managers in 2026

May 19, 2026
How to Export Telegram Messages: 5 Methods Compared

How to Export Telegram Messages: 5 Methods Compared

May 16, 2026
The Complete Telegram CSV Export Guide (2026)

The Complete Telegram CSV Export Guide (2026)

May 13, 2026
How to Export Telegram Group Members to CSV (Step-by-Step Guide)

How to Export Telegram Group Members to CSV (Step-by-Step Guide)

May 10, 2026

Welcome to the Mastro's Workshop Blog

May 8, 2026
The Missing Data Source in Your GTM Stack — Why Telegram Belongs in Your Warehouse

The Missing Data Source in Your GTM Stack — Why Telegram Belongs in Your Warehouse

May 8, 2026
Mutual Groups Are the Warmest Signal in B2B Outbound

Mutual Groups Are the Warmest Signal in B2B Outbound

May 5, 2026
From Telegram CSV to dbt Model — A 30-Minute Pipeline

From Telegram CSV to dbt Model — A 30-Minute Pipeline

Apr 28, 2026
The Network Backup Principle — Your Telegram Contacts Are an Asset, Treat Them Like One

The Network Backup Principle — Your Telegram Contacts Are an Asset, Treat Them Like One

Apr 22, 2026
LinkedIn Sales Navigator vs Telegram Group Scraping — A Practical Comparison

LinkedIn Sales Navigator vs Telegram Group Scraping — A Practical Comparison

Apr 15, 2026